Fixing – Smtp error 451 Temporary local problem – please try later

Here is the quick fix to Smtp error > 451 Temporary local problem – please try later error

  • Login to linux SSH
  • Open the file  /etc/localdomains
  • nano  /etc/localdomains and add the domain name that is having email sending problem
  • Restart exim: # service exim restart

And you are done!

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